Cheap flights from London Heathrow Airport to Cairns from £436
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNS
17 Mar — 24 Mar1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Cairns are usually found in February or May, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Heathrow to Cairns
Enter your travel dates to find the best prices.
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Best
Last-minute
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Cheapest flights from Heathrow to Cairns
Explore the most affordable flight options available from Heathrow to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 February 2026.
Mon 1/621:20
LHR
-
CNS
2 stops34h 50m
Multiple Airlines
Mon 22/620:10
CNS
-
LHR
2 stops55h 30m
Multiple Airlines
Deal found 13/2£841
Fri 22/522:00
LHR
-
CNS
3 stops37h 50m
Multiple Airlines
Sun 31/511:00
CNS
-
LHR
3 stops41h 30m
Multiple Airlines
Deal found 13/2£907
Tue 1/921:20
LHR
-
CNS
2 stops40h 05m
Multiple Airlines
Sun 4/1019:00
CNS
-
LHR
2 stops32h 40m
Multiple Airlines
Deal found 13/2£927
Fri 29/521:20
LHR
-
CNS
2 stops50h 10m
Multiple Airlines
Mon 15/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 13/2£940
Thu 21/521:20
LHR
-
CNS
2 stops38h 30m
Multiple Airlines
Mon 1/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 12/2£954
Thu 5/321:00
LHR
-
CNS
2 stops49h 20m
Multiple Airlines
Sun 8/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 11/2£963
Thu 28/521:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Mon 15/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 13/2£966
Sat 31/1021:25
LHR
-
CNS
2 stops32h 50m
Multiple Airlines
Sat 14/1117:00
CNS
-
LHR
2 stops32h 25m
Multiple Airlines
Deal found 11/2£969
Best flights from Heathrow to Cairns
Discover carefully curated flight deals from Heathrow to Cairns that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 February 2026.
Thu 11/621:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Wed 17/606:45
CNS
-
LHR
2 stops44h 55m
Multiple Airlines
Deal found 11/2£841
Wed 15/420:35
LHR
-
CNS
1 stop35h 25m
Singapore Airlines
Wed 13/518:15
CNS
-
LHR
1 stop30h 30m
Singapore Airlines
Deal found 14/2£1,078
Thu 5/321:00
LHR
-
CNS
2 stops49h 20m
Multiple Airlines
Sun 8/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 11/2£963
Sun 15/310:40
LHR
-
CNS
1 stop20h 40m
Singapore Airlines
Sun 19/418:15
CNS
-
LHR
1 stop54h 30m
Singapore Airlines
Deal found 13/2£1,114
Thu 21/511:20
LHR
-
CNS
1 stop20h 40m
Multiple Airlines
Sun 31/512:35
CNS
-
LHR
3 stops39h 55m
Multiple Airlines
Deal found 11/2£1,021
Fri 29/521:20
LHR
-
CNS
2 stops50h 10m
Multiple Airlines
Mon 15/611:00
CNS
-
LHR
3 stops40h 40m
Multiple Airlines
Deal found 12/2£1,042
Thu 28/521:20
LHR
-
CNS
2 stops38h 40m
Multiple Airlines
Mon 15/611:00
CNS
-
LHR
3 stops40h 40m
Multiple Airlines
Deal found 13/2£1,077
Fri 22/522:15
LHR
-
CNS
2 stops31h 45m
Multiple Airlines
Mon 1/613:55
CNS
-
LHR
2 stops34h 20m
Multiple Airlines
Deal found 11/2£1,101
Last-minute flights from Heathrow to Cairns
Discover last-minute flight deals from Heathrow to Cairns. Data last updated 15 February 2026 and is based on user searches.
Sun 15/222:05
LHR
-
CNS
1 stop25h 50m
Cathay Pacific
Sat 28/211:25
CNS
-
LHR
1 stop29h 35m
Cathay Pacific
Deal found 13/2£1,092
Tue 17/211:00
LHR
-
CNS
1 stop36h 55m
Cathay Pacific
Mon 23/312:35
CNS
-
LHR
2 stops36h 25m
Cathay Pacific
Deal found 12/2£1,021
Tue 17/211:00
LHR
-
CNS
1 stop36h 55m
Multiple Airlines
Thu 2/417:40
CNS
-
LHR
2 stops33h 30m
Multiple Airlines
Deal found 12/2£1,094
Thu 19/207:10
LHR
-
CNS
2 stops40h 45m
Cathay Pacific
Mon 23/312:35
CNS
-
LHR
2 stops36h 25m
Cathay Pacific
Deal found 12/2£1,063
Sun 22/216:50
LHR
-
CNS
1 stop31h 05m
Cathay Pacific
Mon 23/312:35
CNS
-
LHR
2 stops36h 25m
Cathay Pacific
Deal found 15/2£1,105
Thu 5/321:00
LHR
-
CNS
2 stops49h 20m
Multiple Airlines
Sun 8/314:35
CNS
-
LHR
2 stops36h 55m
Multiple Airlines
Deal found 11/2£963
Thu 5/310:40
LHR
-
CNS
1 stop20h 40m
Singapore Airlines
Sun 8/318:35
CNS
-
LHR
1 stop47h 05m
Singapore Airlines
Deal found 11/2£1,070
Sun 8/310:40
LHR
-
CNS
1 stop20h 40m
Singapore Airlines
Sun 15/318:35
CNS
-
LHR
1 stop23h 05m
Singapore Airlines
Deal found 12/2£1,047
Sun 15/310:40
LHR
-
CNS
1 stop20h 40m
Singapore Airlines
Sun 19/418:15
CNS
-
LHR
1 stop54h 30m
Singapore Airlines
Deal found 13/2£1,114
One-way flights from Heathrow to Cairns
Search for one-way flight options from Heathrow to Cairns. Find affordable one-way fares based on user searches. Data last updated 15 February 2026.
Sun 15/320:25
LHR
-
CNS
2 stops49h 55m
Multiple Airlines
Deal found 13/2£436
Tue 19/509:25
LHR
-
CNS
1 stop22h 35m
Singapore Airlines
Deal found 12/2£441
Wed 4/321:30
LHR
-
CNS
3 stops46h 15m
Multiple Airlines
Deal found 11/2£444
Thu 5/306:35
LHR
-
CNS
3 stops37h 10m
Multiple Airlines
Deal found 11/2£466
Sun 24/522:05
LHR
-
CNS
2 stops37h 45m
Multiple Airlines
Deal found 14/2£472
Find flight deals from Heathrow to Cairns
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cairns (CNS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 February 2026.
Customise your flight search to find flights from Heathrow to Cairns that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Cairns that are best for you.
Fly from
Heathrow
Fly to
Cairns
Route
Depart
Return
Price
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 11/6
21:20-21:00
2 stops38h 40m
Cairns
Wed 17/6
06:45-18:40
2 stops44h 55m
£841
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 5/3
21:00-08:20
2 stops49h 20m
Cairns
Sun 8/3
14:35-17:30
2 stops36h 55m
£963
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 21/5
11:20-17:00
1 stop20h 40m
Cairns
Sun 31/5
12:35-19:30
3 stops39h 55m
£1,021
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Fri 29/5
21:20-08:30
2 stops50h 10m
Cairns
Mon 15/6
11:00-18:40
3 stops40h 40m
£1,042
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Thu 28/5
21:20-21:00
2 stops38h 40m
Cairns
Mon 15/6
11:00-18:40
3 stops40h 40m
£1,077
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Wed 15/4
20:35-17:00
1 stop35h 25m
Cairns
Wed 13/5
18:15-15:45
1 stop30h 30m
£1,078
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Fri 22/5
22:15-15:00
2 stops31h 45m
Cairns
Mon 1/6
13:55-15:15
2 stops34h 20m
£1,101
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 15/3
10:40-17:20
1 stop20h 40m
Cairns
Sun 19/4
18:15-15:45
1 stop54h 30m
£1,114
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Sun 15/3
20:25-08:20
2 stops49h 55m
£436
LondonCairns
LHR - CNS
LHRCNS
London Heathrow
Tue 19/5
09:25-17:00
1 stop22h 35m
£441
Flights are sorted by cheapest return flights first.
Deals found on 13/2
Showing 1-10 of 13 results
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Best time to book a flight from Heathrow to Cairns
Have a flexible travel schedule? Discover the best time to fly to Cairns from Heathrow with our price prediction graph.
LHR-CNS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Cairns
Prices
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Cairns?
Use this chart to determine the optimal time to book a return flight from Heathrow to Cairns. Price data was last updated on 6 February 2026.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cairns, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from London Heathrow Airport to Cairns?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £773). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,347). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How often are flights from London to Cairns delayed?
About 7% of weekly flights between London and Cairns have experienced delays in the past year, with the average delay time being 139 minutes.
What is the most punctual flight time for London to Cairns flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Cairns flights?
Over the past year, China Eastern have had the lowest number of delays on this route, with just 3% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Cairns?
Share of one-stop return flights from London Heathrow Airport to Cairns chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 88% of one-stop itineraries from London Heathrow Airport to Cairns on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Cairns?
Average return fare for one-stop flights from London Heathrow Airport to Cairns, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of £1,335.
What’s the fastest stopover option from London Heathrow Airport to Cairns?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Cairns, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 26h 13m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Cairns?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Cairns, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 6h 21m.
Reviews of airlines servicing Cairns
Get insights into the airlines that provide service to Cairns. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cairns. Reviews last updated 15 February 2026.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific, andQantas Airways from London Heathrow Airport to Cairns by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Very kind staff to arrange my luggage and really appreciate all help.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Cairns. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Cairns from London Heathrow?
Most people fly into Cairns (CNS) if they book a flight to Cairns from London Heathrow. On average, Cairns has 0 inbound flights from London Heathrow per day from 3 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.
What are the cheapest airlines flying from London Heathrow Airport to Cairns round-trip?
Our cheapest airline available from London Heathrow Airport to Cairns is Cathay Pacific. Our recent data shows that you can find tickets from as low as £800 on this airline. Additional options worth looking into are Singapore Airlines and Qantas Airways, starting at £939 and £1,273 round-trip. Cathay Pacific is 36% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for business class flights from Heathrow to Cairns?
Yes. Cheapflights offers flight deals from Heathrow to Cairns by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Cairns?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Cairns (average of £773). Flying from London Heathrow Airport to Cairns in July is currently the most expensive (average of £1,347). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Cairns departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 February 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 15 February 2026.
Discover the top 3 airlines that operate flights from Heathrow to Cairns. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 February 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Cairns?
Deals for Heathrow to Cairns flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cairns?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Cairns for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Cairns with no change fees?
Need flexible booking options for your flight to Cairns from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Cairns become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cairns from Heathrow today and book when prices fit your budget.
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